Power just died on microwave

Tried turning it on, it went for about 3 seconds. I heard what sounded like a surge in power and it stopped. I checked breakers, their still good. I plugged the oven into a different outlet. It still didn't work. Any easy fix for this or do I head down to lowes? This model is 10 years old.
Thanks
Mike

There is no real safe fix. When appliances like that go bad like that it would be best advice to just get a new one to be on the safe side. You can pull off the cover with 4 screws and look to see if anything has been fried. But again, being safe is number 1

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need model number and brand name,i've seen the power go out and when the power comes back on the power surge takes out the computer board or clock assy.but if she touched the panel she might have locked the board,on some models if you hold the clockbutton in for 5 seconds,some you hold the start button for 3 to 5 seconds or it has a lock button on it so if you send the model number i can check that for you,you can try unplugging it for like 15 minutes and see if that resets it or the power surge took out the board if it's not locked out

The main fuse has blown in the microwave, you also have secondary problem that sounds like the magnetron has failed, but there are two other parts to consider, the high voltage capacitor and diode work in conjunction with the magnetron to heat the food. The repairs could run as high as a new microwave oven.

I had a similar problem. Everyone said must be the magnatron or the fuse ....turned out to be a burned out (visually melted) thermal cut out switch ($12) on the top side of the microwave. Had to get down inside the top of the microwave. The cut out switch was tucked away right up against the the microwave box. Hard to diagnose your problem without looking at the unit in question though, could be several different things. However, my philosophy when it comes to repairs...start with the cheap stuff first!

Sounds like a relay is stuck/activated by something. Causes are power surges, mice shorting wires, spiders and such creating bridges across the contacts on the circuit board. Not a DIY project unless you have some electronics background and know what precautions to take while inside the case. There is enough juice in there to seriously injure or kill a person. Eric

I have over 20 years experience with microwaves and over 25 with all other electronics, and I'll have to say it sounds to me also like some kind of power surge "scrambling" its "brains".

Or possibly its power is being interrupted for a fraction of a second and having the same effect.

A microwave should really be on its own circuit breaker.

Microwave ovens, refrigerators, toasters, and electric ovens are very high current devices.

There are power line (mains) surges created when they cycle on and off.

If the microwave can't be on its own breaker, then maybe you can try a power strip with a surge suppressor, or better yet, a power strip with a surge suppressor and a built-in noise filter.

Or it may be that there is a subtle bad connection on the circuit board or at the fuse holder.

These kinds of problems are difficult to diagnose, and even harder to do remotely. Especially since I'm in the US! *grin*

I would strongly suggest that if you can't cure this with a surge strip or similar, please carefully document when and how it fails, then while it is in a failed state, open the door (to keep it from starting on its own) and call Sharp customer service at 1300 13 50 22.